@Sander17: Thanks for your comment. I will tell my team, that it’s forbidden for us to upload the data we produce (simpler than talking about licenses, copyright, etc.). I think we will download the OSM-data of a defined area to test routing from street to e.g. ‘room 305 on floor 3’ at our faculty. Routing from any location to a point in a building is wanted by our users and that would be enough for this proof-of-concept. Our main-focus is routing for people that are already in a building.

@Chirs Baines: Thank you for the hint. I will look at it. I’m willing to make it free software (MIT- or Apache-license i would like, maybe dual-licence GPL + Something to have the chance of getting commercial) as this software is produced by a public university and therefore financed by tax-money. Our guiding professor doesn’t like to publish the code, but it’s the creative work of the students. Interesting question, if we can make it open-source as it’s our project and source code or if it is seen as contract-work we do for the university as part of our education.

Yeah. Two comments and mostly about licensing. :D